How To Fix I0018 - Field contains invalid characters

I0018 - Overview

• Message type: E = Error

• Message class: I0 - Messages for PM tables

• Message number: 018

• Message text: Field contains invalid characters

What causes this issue?

You have entered an object number that contains special characters that
are not allowed.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Only use allowed characters when assigning a number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message I0018 - Field contains invalid characters ?

  The SAP error message I0018, which states "Field contains invalid characters," typically occurs when the input data in a specific field does not conform to the expected format or contains characters that are not allowed. This can happen in various contexts, such as during data entry, file uploads, or when processing transactions.
  Causes:
  
  Invalid Characters: The input may contain special characters, spaces, or symbols that are not permitted in the field.
  Data Type Mismatch: The field may expect a specific data type (e.g., numeric, alphanumeric) and the input does not match this expectation.
  Length Restrictions: The input may exceed the maximum length allowed for the field.
  
  Configuration Issues: The field may have been configured to accept only certain values or formats, and the input does not comply.
  Localization Issues: If the system is set to a specific language or locale, certain characters may not be recognized.
  
  Solutions:
  
  Check Input Data: Review the data being entered or uploaded to